搜索资源列表
adj
- 控制sonylcd的调整程序,控制lcd的相位,频率,以及鬼影消除-sonylcd control of the adjustment process, the LCD control phase, frequency, and the elimination of ghost
PLL_PLV
- 锁相回路可视为一个输出相位和输入相位的回授系统用以同步输入参考讯号和回授后输出信号。并让其操作同样的频率。如(图一)所示,简单锁相回路[3,4]是由三个电路构成,分别为相位侦测器(Phase Detector)、回路滤波器(Loop Filter)、压控荡器(VCO)-phase-locked loop can be regarded as a phase output and input phase feedback system for synchronous reference input
jiyufpgadds
- 直接数字频率合成(Direct Digital Fraquency Synthesis,即DDFS,一般简称DDS)是从相位概念出发直接合成所需要波形的一种新的频率合成技术。
signal-generator
- 这是一个信号发生器的labview源程序,模拟正弦波、三角波、方波等五种波形输出,频率、幅值、相位可调。
dds
- 直接数字频率合成器中相位累加杂散,幅度量化杂散及DAC非线性杂散的功率谱密度曲线频谱图
a_d_1.rar
- (一)基本任务:单频正弦波模拟信号的简单数字化。即对一个单频正弦波模拟信号进行抽样、均匀量化、PCM二进制自然编码。 1、主要步骤和要求: (1)单频正弦波模拟信号的抽样实现。要求输入信号的幅度A、频率F和相位P可变;要求仿真时间从0到2/F,抽样频率为Fs=20F;要求给出抽样信号samp的波形图。 (2)单频正弦波模拟信号均匀量化的实现。要求对抽样信号sampl归一化后再进行均匀量化;要求量化电平数D可变;要求输出信号为平顶正弦波;要求给出量化输出信号quant的波形图,并与抽样信号s
EOrgan
- 正弦波,三角波,方波绘制图并发声,可根据频率,幅度,相位,生成声音和波形图-Sine wave, triangle wave, square wave drawing and sound, according to the frequency, amplitude, phase, generating sound and waveform graph
sscyd.rar
- 二阶数字谐振器的频率特性和滤波器的幅频特性和相位特性和预畸变在双线性变换中的作用,Second-order digital resonator frequency filter characteristics and amplitude-frequency characteristics and phase characteristics and pre-distortion in the bilinear transform the role of
FFTmeasuereFandP
- 在LabVIEW下搭建子VI,利用FFT算法,测量频率和相位。-Under the sub-structures in the LabVIEW VI, using FFT algorithm, measuring frequency and phase.
dds
- 输出波形频率调整问题; 波形精度问题; 滤波问题; 多种指标输出(电压、电流、功率、相位); 自身优点(任意波形发生器)。 -Output waveform of the frequency of adjustment problems waveform accuracy issues filtering problem a variety of indicators of output (voltage, current, power, phase) its own
fm
- 频率调制,属于角度调制中主要一种,相位调制可以通过对信号先微分再调频获得-Frequency modulation, angle modulation in the main belong to a kind of phase modulation of the signal can be differential access to re-FM
Studyonultrasonictransducerwithwide
- :提出了一种新型的双层压电结构超声波传感器,借助于移相电容器的移相作用,改变各压电层的 激励电压的幅值和相位,实现对传感器频率特性的控制,从而得到了具有宽频带高效率的超声波传感器,为研究宽带高效超声波传感器探索了一条新的途径-: A novel two-layer structure of piezoelectric ultrasonic sensors, by means of phase-shifting phase-shifting the role of capacitors, pi
Digital_modulation_FCN
- 数字信号调制中的幅度调制、频率调制、相位调制等例程。-Digital signal modulation of the amplitude modulation, frequency modulation, phase modulation, such as routines.
2psk_feature
- 2psk信号的产生和其瞬时幅度,瞬时相位,瞬时频率的提取-2psk signal generation and its instantaneous amplitude, instantaneous phase, instantaneous frequency extraction
zishiying
- 用C语言编写自适应算法,将自适应算法应用与判断两路信号的相位频率等信息的一致性-Adaptive algorithm written in the C language, the consistency of the adaptive algorithm application and to determine the phase of the two signals frequency information
freRecovery
- 用于根据线性调频,相位编码等信号的时域波形计算相应的瞬时频率和自相关函数(The corresponding instantaneous frequency and autocorrelation function are calculated according to the time domain waveform of linear frequency modulation, phase encoding and other signals)
低频函数信号发生器
- (1)设计并制作一个具有高频率稳定度和高相位稳定度的低频函数发生器,频率可调,为1HZ-1KHz; (2)波形种类:三角波、正弦波、方波、锯齿波((1) a low frequency function generator with high frequency stability and high phase stability is designed and produced, and the frequency is adjustable for 1HZ-1KHz. (2) the t
apfft
- 全相位FFT变换,适用于对不同频率波形进行频谱分析(All phase FFT transform is suitable for spectrum analysis for different frequency waveforms)
Allan_Variance
- allan 方差(阿伦方差)是David AIlan于1966年提出的,最初该方法是用于分析振荡器的相位和频率不稳定性,高稳定度振荡器的频率稳定度的时域表征目前均采用Allan方差。由于陀螺等惯性传感器本身也具有振荡器的特征,因此该方法随后被广泛应用于各种惯性传感器的随机误差辨识中。(Allan variance (Allen variance) was proposed by David Allan in 1966. Initially this method was used to anal
pg831
- 双向PCS控制仿真,光纤陀螺输出误差的allan方差分析,可以得到很精确的幅值、频率、相位估计。( Two-way PCS control simulation, allan FOG output error variance analysis, You can get a very accurate amplitude, frequency, phase estimation.)